.logo{
  float:left;
  width:75%;
 

}
.logo img{
margin: 10px 0 0 70px;
  height:40px;
 

}
.nav{
  float:left;
  width:25%;
  height:60px;

}

.nav li{
  list-style: none;
  display: inline-block;
  margin-left: 20px;
}
a{
  text-decoration: none;
  color:black;
}

.left{
  float:left;
  width:25%;
 
}
.left li{
 list-style: none;
  margin: 10px;
  text-decoration: none;
  
}
.right{
  float:left;
  width:75%;
 

}